| 
                 
                    Closing price on 6/19/2020
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    48.95 | 
                 
                
                    | High | 
                    49.00 | 
                 
                
                    | Low | 
                    47.30 | 
                     
                
                    | Volume | 
                    6,090 | 
                                 
                
                    | Split-adjusted Price | 
                    37.31 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
NNC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                6/19/2020
             | 
            
                -1.20 / -2.47%
             |             
            
                48.95
             |           
            
                49.00
             |               
            
                47.30
             |                           
            
                47.30
             | 
            
                48.93
             |                     
            
                37.31
             |                                 
            
                6,090
             |            
            
                 
             |                                       
         
    
        
            | 
                6/18/2020
             | 
            
                +1.50 / +3.19%
             |             
            
                47.00
             |           
            
                48.50
             |               
            
                47.00
             |                           
            
                48.50
             | 
            
                48.22
             |                     
            
                38.26
             |                                 
            
                5,060
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/17/2020
             | 
            
                -0.20 / -0.42%
             |             
            
                47.20
             |           
            
                47.60
             |               
            
                47.00
             |                           
            
                47.00
             | 
            
                47.20
             |                     
            
                37.07
             |                                 
            
                200
             |            
            
                 
             |                                       
         
    
        
            | 
                6/16/2020
             | 
            
                +1.10 / +2.39%
             |             
            
                46.10
             |           
            
                47.20
             |               
            
                46.10
             |                           
            
                47.20
             | 
            
                46.65
             |                     
            
                37.23
             |                                 
            
                2,460
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/15/2020
             | 
            
                0.00 / 0.00%
             |             
            
                45.70
             |           
            
                47.50
             |               
            
                45.70
             |                           
            
                46.10
             | 
            
                46.25
             |                     
            
                36.36
             |                                 
            
                230
             |            
            
                 
             |                                       
         
    
        
            | 
                6/12/2020
             | 
            
                -1.30 / -2.74%
             |             
            
                45.20
             |           
            
                46.10
             |               
            
                45.20
             |                           
            
                46.10
             | 
            
                45.71
             |                     
            
                36.36
             |                                 
            
                350
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/11/2020
             | 
            
                +0.15 / +0.32%
             |             
            
                47.00
             |           
            
                48.50
             |               
            
                47.00
             |                           
            
                47.40
             | 
            
                47.45
             |                     
            
                37.39
             |                                 
            
                5,690
             |            
            
                 
             |                                       
         
    
        
            | 
                6/10/2020
             | 
            
                +0.05 / +0.11%
             |             
            
                47.10
             |           
            
                48.10
             |               
            
                47.10
             |                           
            
                47.25
             | 
            
                47.46
             |                     
            
                37.27
             |                                 
            
                5,710
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/9/2020
             | 
            
                +0.20 / +0.43%
             |             
            
                47.10
             |           
            
                48.00
             |               
            
                47.10
             |                           
            
                47.20
             | 
            
                47.59
             |                     
            
                37.23
             |                                 
            
                8,910
             |            
            
                 
             |                                       
         
    
        
            | 
                6/8/2020
             | 
            
                +0.50 / +1.08%
             |             
            
                46.50
             |           
            
                47.55
             |               
            
                46.50
             |                           
            
                47.00
             | 
            
                46.81
             |                     
            
                37.07
             |                                 
            
                7,840
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/5/2020
             | 
            
                -0.35 / -0.75%
             |             
            
                45.50
             |           
            
                46.85
             |               
            
                45.50
             |                           
            
                46.50
             | 
            
                46.09
             |                     
            
                36.68
             |                                 
            
                220
             |            
            
                 
             |                                       
         
    
        
            | 
                6/4/2020
             | 
            
                +0.85 / +1.85%
             |             
            
                45.55
             |           
            
                46.85
             |               
            
                45.00
             |                           
            
                46.85
             | 
            
                46.59
             |                     
            
                36.95
             |                                 
            
                13,650
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/3/2020
             | 
            
                -0.50 / -1.08%
             |             
            
                46.10
             |           
            
                46.50
             |               
            
                46.00
             |                           
            
                46.00
             | 
            
                46.35
             |                     
            
                36.28
             |                                 
            
                2,740
             |            
            
                 
             |                                       
         
    
        
            | 
                6/2/2020
             | 
            
                -0.30 / -0.64%
             |             
            
                46.80
             |           
            
                46.80
             |               
            
                46.00
             |                           
            
                46.50
             | 
            
                46.10
             |                     
            
                36.68
             |                                 
            
                1,540
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/1/2020
             | 
            
                +1.10 / +2.41%
             |             
            
                46.90
             |           
            
                46.90
             |               
            
                45.80
             |                           
            
                46.80
             | 
            
                46.88
             |                     
            
                36.91
             |                                 
            
                1,280
             |            
            
                 
             |                                       
         
    
        
            | 
                5/29/2020
             | 
            
                +0.10 / +0.22%
             |             
            
                46.90
             |           
            
                46.90
             |               
            
                45.70
             |                           
            
                45.70
             | 
            
                46.14
             |                     
            
                36.05
             |                                 
            
                4,530
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/28/2020
             | 
            
                0.00 / 0.00%
             |             
            
                45.60
             |           
            
                45.60
             |               
            
                45.60
             |                           
            
                45.60
             | 
            
                45.60
             |                     
            
                35.97
             |                                 
            
                200
             |            
            
                 
             |                                       
         
    
        
            | 
                5/27/2020
             | 
            
                -0.50 / -1.08%
             |             
            
                46.20
             |           
            
                46.50
             |               
            
                45.60
             |                           
            
                45.60
             | 
            
                46.24
             |                     
            
                35.97
             |                                 
            
                3,720
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/26/2020
             | 
            
                +0.85 / +1.88%
             |             
            
                45.25
             |           
            
                46.10
             |               
            
                45.25
             |                           
            
                46.10
             | 
            
                46.09
             |                     
            
                36.36
             |                                 
            
                1,280
             |            
            
                 
             |                                       
         
    
        
            | 
                5/25/2020
             | 
            
                -1.75 / -3.72%
             |             
            
                46.85
             |           
            
                47.00
             |               
            
                45.25
             |                           
            
                45.25
             | 
            
                46.52
             |                     
            
                35.69
             |                                 
            
                4,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/22/2020
             | 
            
                0.00 / 0.00%
             |             
            
                45.10
             |           
            
                47.00
             |               
            
                45.10
             |                           
            
                47.00
             | 
            
                45.59
             |                     
            
                37.07
             |                                 
            
                1,360
             |            
            
                 
             |                                       
         
    
        
            | 
                5/21/2020
             | 
            
                +0.50 / +1.08%
             |             
            
                46.50
             |           
            
                47.00
             |               
            
                46.50
             |                           
            
                47.00
             | 
            
                46.76
             |                     
            
                37.07
             |                                 
            
                6,630
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/20/2020
             | 
            
                0.00 / 0.00%
             |             
            
                46.50
             |           
            
                46.50
             |               
            
                46.50
             |                           
            
                46.50
             | 
            
                46.50
             |                     
            
                36.68
             |                                 
            
                6,640
             |            
            
                 
             |                                       
         
    
        
            | 
                5/19/2020
             | 
            
                +1.50 / +3.33%
             |             
            
                45.00
             |           
            
                46.90
             |               
            
                45.00
             |                           
            
                46.50
             | 
            
                46.42
             |                     
            
                36.68
             |                                 
            
                4,050
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/18/2020
             | 
            
                -1.35 / -2.91%
             |             
            
                46.35
             |           
            
                46.35
             |               
            
                45.00
             |                           
            
                45.00
             | 
            
                45.93
             |                     
            
                35.49
             |                                 
            
                4,180
             |            
            
                 
             |                                       
         
    
        
            | 
                5/15/2020
             | 
            
                +2.25 / +5.10%
             |             
            
                44.10
             |           
            
                46.70
             |               
            
                44.10
             |                           
            
                46.35
             | 
            
                46.31
             |                     
            
                36.56
             |                                 
            
                2,440
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/14/2020
             | 
            
                -1.90 / -4.13%
             |             
            
                45.50
             |           
            
                47.00
             |               
            
                44.10
             |                           
            
                44.10
             | 
            
                46.36
             |                     
            
                34.79
             |                                 
            
                39,280
             |            
            
                 
             |                                       
         
    
        
            | 
                5/13/2020
             | 
            
                +0.70 / +1.55%
             |             
            
                44.00
             |           
            
                46.00
             |               
            
                44.00
             |                           
            
                46.00
             | 
            
                45.38
             |                     
            
                36.28
             |                                 
            
                4,980
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/12/2020
             | 
            
                -0.15 / -0.33%
             |             
            
                46.30
             |           
            
                46.30
             |               
            
                45.20
             |                           
            
                45.30
             | 
            
                45.68
             |                     
            
                35.73
             |                                 
            
                3,590
             |            
            
                 
             |                                       
         
    
        
            | 
                5/11/2020
             | 
            
                +0.55 / +1.22%
             |             
            
                44.00
             |           
            
                45.45
             |               
            
                44.00
             |                           
            
                45.45
             | 
            
                44.87
             |                     
            
                35.85
             |                                 
            
                3,120
             |  
            
                 
             |                                                              
             
    
         
    
    
 |